🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 10.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.74 AU - 0.9 AU

Year: 513 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,597,967 km

• M1: 132,843 km (0.109 R)
• M2: 482,154 km (0.116 R)
• M3: 933,640 km (0.086 R)
• M4: 1,387,819 km (0.031 R)
• M5: 1,720,525 km (0.082 R)
• M6: 2,107,385 km (0.105 R)
• M7: 2,487,663 km (0.054 R)
• M8: 2,863,004 km (0.103 R)
• M9: 3,526,770 km (0.095 R)
• M10: 4,425,404 km (0.115 R)
• M11: 5,130,010 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 13.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.89 AU - 1.21 AU

Year: 743 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,597,967 km

• M1: 171,290 km (0.108 R)
• M2: 657,632 km (0.077 R)
• M3: 1,092,513 km (0.109 R)
• M4: 1,547,889 km (0.12 R)
• M5: 2,085,095 km (0.078 R)
• M6: 2,511,449 km (0.054 R)
• M7: 4,542,689 km (0.097 R)
• M8: 6,013,834 km (0.053 R)
• M9: 7,640,711 km (0.104 R)
• M10: 8,493,569 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 9.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.4 AU - 1.9 AU

Year: 1463 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 132.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,597,967 km

• M1: 115,639 km (0.119 R)
• M2: 461,509 km (0.092 R)
• M3: 814,411 km (0.059 R)
• M4: 1,145,321 km (0.083 R)
• M5: 1,719,179 km (0.104 R)
• M6: 2,248,007 km (0.082 R)
• M7: 2,577,272 km (0.045 R)
• M8: 3,174,317 km (0.064 R)
• M9: 3,486,678 km (0.088 R)
• M10: 4,351,353 km (0.098 R)
• M11: 4,674,634 km (0.078 R)
• M12: 5,030,528 km (0.092 R)
• M13: 6,579,464 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 12.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.03 AU - 3.57 AU

Year: 4138 Days

Day: 5.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,597,967 km

• M1: 156,779 km (0.043 R)
• M2: 555,906 km (0.036 R)
• M3: 1,182,870 km (0.09 R)
• M4: 1,681,330 km (0.111 R)
• M5: 2,109,629 km (0.045 R)
• M6: 2,662,393 km (0.07 R)
• M7: 3,212,016 km (0.12 R)
• M8: 4,369,305 km (0.101 R)
• M9: 5,004,049 km (0.051 R)
• M10: 5,413,797 km (0.078 R)
• M11: 6,458,439 km (0.083 R)
• M12: 7,318,178 km (0.103 R)
• M13: 7,812,001 km (0.077 R)
• M14: 8,252,866 km (0.109 R)
• M15: 9,843,989 km (0.12 R)
• M16: 11,443,190 km (0.077 R)
• M17: 12,403,159 km (0.074 R)
• M18: 14,049,933 km (0.099 R)
• M19: 14,926,128 km (0.092 R)
• M20: 15,954,763 km (0.098 R)
• M21: 16,426,893 km (0.034 R)
• M22: 18,929,217 km (0.062 R)
• M23: 19,325,352 km (0.057 R)
• M24: 19,997,795 km (0.058 R)
• M25: 23,673,265 km (0.063 R)
• M26: 26,524,151 km (0.057 R)
• M27: 27,103,843 km (0.118 R)
• M28: 28,460,845 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.4

Radius: 12.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.78 AU - 4.02 AU

Year: 4327 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,597,967 km

• M1: 163,810 km (0.12 R)
• M2: 816,505 km (0.058 R)
• M3: 1,337,405 km (0.084 R)
• M4: 1,942,229 km (0.111 R)
• M5: 2,410,770 km (0.08 R)
• M6: 3,025,019 km (0.11 R)
• M7: 3,808,014 km (0.037 R)
• M8: 4,311,111 km (0.12 R)
• M9: 5,558,907 km (0.099 R)
• M10: 7,060,122 km (0.12 R)
• M11: 7,527,466 km (0.1 R)
• M12: 9,701,871 km (0.083 R)
• M13: 11,613,881 km (0.08 R)
• M14: 12,715,669 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 14.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.84 AU - 3.96 AU

Year: 5316 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,597,967 km

• M1: 181,013 km (0.092 R)
• M2: 835,803 km (0.052 R)
• M3: 1,561,203 km (0.053 R)
• M4: 2,081,804 km (0.091 R)
• M5: 2,815,731 km (0.103 R)
• M6: 3,797,692 km (0.119 R)
• M7: 4,480,905 km (0.113 R)
• M8: 5,021,851 km (0.07 R)
• M9: 5,659,287 km (0.106 R)
• M10: 8,413,384 km (0.047 R)
• M11: 12,321,030 km (0.096 R)
• M12: 15,392,125 km (0.059 R)
• M13: 18,761,518 km (0.08 R)
• M14: 19,490,059 km (0.11 R)
• M15: 20,682,205 km (0.098 R)
• M16: 22,799,164 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 13.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.16 AU - 5.2 AU

Year: 5899 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,597,967 km

• M1: 166,652 km (0.079 R)
• M2: 969,843 km (0.06 R)
• M3: 1,532,929 km (0.098 R)
• M4: 2,945,582 km (0.085 R)
• M5: 3,437,161 km (0.097 R)
• M6: 6,036,424 km (0.11 R)
• M7: 7,213,161 km (0.102 R)
• M8: 8,253,464 km (0.083 R)
• M9: 11,182,890 km (0.053 R)
• M10: 12,159,614 km (0.098 R)
• M11: 13,680,725 km (0.105 R)
• M12: 23,094,470 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 6.3

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.76 AU - 5.78 AU

Year: 9567 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,597,967 km

• M1: 78,389 km (0.092 R)
• M2: 449,242 km (0.068 R)
• M3: 1,225,356 km (0.098 R)
• M4: 1,428,061 km (0.079 R)
• M5: 2,304,555 km (0.074 R)
• M6: 3,422,350 km (0.118 R)
• M7: 4,072,204 km (0.036 R)
• M8: 4,325,174 km (0.119 R)
• M9: 5,927,516 km (0.094 R)
• M10: 6,179,738 km (0.055 R)
• M11: 6,628,831 km (0.106 R)
• M12: 6,900,651 km (0.093 R)
• M13: 7,342,712 km (0.102 R)
• M14: 8,150,840 km (0.108 R)
• M15: 10,144,980 km (0.1 R)
• M16: 10,558,618 km (0.11 R)
• M17: 12,037,991 km (0.104 R)
• M18: 16,296,294 km (0.106 R)
• M19: 18,491,643 km (0.112 R)
• M20: 21,293,312 km (0.114 R)
• M21: 22,489,048 km (0.108 R)
• M22: 25,294,906 km (0.114 R)
• M23: 30,298,057 km (0.082 R)
• M24: 30,617,747 km (0.117 R)
• M25: 33,255,906 km (0.076 R)
• M26: 35,449,160 km (0.118 R)
• M27: 38,230,783 km (0.08 R)
• M28: 38,979,670 km (0.103 R)
• M29: 40,249,457 km (0.052 R)
• M30: 41,284,973 km (0.073 R)
• M31: 45,604,911 km (0.097 R)
• M32: 46,024,832 km (0.03 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 13,767 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit